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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

Let f : R R be a function, such that |f(x)| x^ 4n , n N x R then f(x) is :

Options

  1. Adiscontinuous at x = 0
  2. Bcontinuous at x = 0
  3. Cnon-differentiable at x = 0
  4. Ddifferentiable at x = 0

Correct answer

B. continuous at x = 0

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